Passive Infrared (PIR) Motion Detector Module
On Board Sensitivity Adjustment
This listing is for a PIR motion detector module. The video above gives you a full demonstration of how it works, and how to adjust the sensitivity. Make sure to take the time to watch the video. It really gives you a good sense if what you're purchasing! There is an attached fresnel lens to filter out ambient lighting. There are three interface pins. They are labelled on the board. Make sure that you pay close attention when you're wiring the device up.
5v - Connect 5VDC to this pin.
OUT - This is the signal output pin.
GND - This is the DC ground pin.
Supply Voltage: 5VDC
If after you watch the video, you still have any questions, please do not hesitate to ask.